System Monitoring SCHOOLMETERBOX AU

System Monitoring SCHOOLMETERBOX AU Installation Guide SMETER-IEN084710 98-00013210 Version 1.0 EN

SMA Solar Technology AG Table of Contents Table of Contents 1 Notes on this Manual.............................. 5 1.1 Validity............................................ 5 1.2 Target Group....................................... 5 1.3 Symbols Used....................................... 5 2 Safety.......................................... 6 2.1 Appropriate Usage................................... 6 2.2 Safety Precautions.................................... 6 3 Unpacking....................................... 7 3.1 Packing List......................................... 7 3.2 Identifying the Schoolmeterbox......................... 7 4 Mounting the Device.............................. 8 4.1 Mounting Location................................... 8 4.2 Mounting the Schoolmeterbox on the Wall................ 8 4.3 Mounting the Schoolmeterbox onto a DIN Rail............. 9 5 Electrical Connection............................. 11 5.1 Connection Area Overview........................... 11 5.2 Connecting the Schoolmeterbox to the RS485 Communication Bus 11 5.3 Terminating the RS485 Bus............................ 13 5.4 Connecting the Schoolmeterbox to the Consumption Meter.. 14 6 Commissioning.................................. 15 6.1 Connecting the Schoolmeterbox to the Power Supply....... 15 6.2 Detecting the Schoolmeterbox with the Sunny WebBox..... 15 6.2.1 Adjusting the Schoolmeterbox Channels............................ 15 7 Maintenance and Care........................... 16 7.1 Maintenance....................................... 16 Installation Guide SMETER-IEN084710 3

Table of Contents SMA Solar Technology AG 7.2 Care............................................. 16 8 Decommissioning................................ 17 8.1 Dismounting the Schoolmeterbox....................... 17 8.2 Packing the Schoolmeterbox........................... 17 8.3 Disposal of the Schoolmeterbox........................ 17 9 Troubleshooting................................. 18 9.1 LED Overview...................................... 18 10 Channel List..................................... 19 10.1 Spot values........................................ 19 10.2 Parameters........................................ 19 11 Technical Data.................................. 20 12 Contact........................................ 21 4 SMETER-IEN084710 Installation Guide

SMA Solar Technology AG Notes on this Manual 1 Notes on this Manual This installation manual describes the mounting, electrical connection and commissioning of the Schoolmeterbox. Store this manual where it will be accessible at all times. 1.1 Validity This manual applies to Schoolmeterbox models with Hardware version A or later and Firmware version 1.0 or later. 1.2 Target Group This manual is intended for the installer. 1.3 Symbols Used The following types of warnings and general information appear in this document as described below. DANGER! DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING! WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury. CAUTION! CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. NOTICE! NOTICE indicates a situation that can result in property damage if not avoided. Information Information provides tips that are valuable for the optimal installation and operation of the product. Installation Guide SMETER-IEN084710 5

Safety SMA Solar Technology AG 2 Safety 2.1 Appropriate Usage The Schoolmeterbox retrieves counter pulses from the consumption meter and makes them available to the Sunny WebBox from the SMA Solar Technology. The data are used to display the energy use of the school. Communication takes places via RS485. The voltage is provided via a power supply plug. 2.2 Safety Precautions Please follow all operating and safety precautions in this manual. Failure to follow these instructions could result in damage to the device and cause personal injury. DANGER! Risk of lethal electric shock when opening the inverter. Any work on the inverter must be carried out by qualified electricians only. Disconnect the inverter on the AC and DC sides as described in the inverter manual. NOTICE! The warranty becomes invalid if the Schoolmeterbox is opened or modified. The Schoolmeterbox may only be opened and modified by SMA Solar Technology. In case of doubt, please contact us. 6 SMETER-IEN084710 Installation Guide

SMA Solar Technology AG Unpacking 3 Unpacking 3.1 Packing List Check the delivery for completeness and for any external damage. Please contact your dealer if you find any damage or if the delivery is incomplete. A 1 Schoolmeterbox B 1 Manual C 1 RS485 cabling plan poster D 1 Plug-in power supply with 4 adapters E 3 Plug (2x 4-pin, 1x 2-pin) F 1 Termination resistor G 2 Conductive bonding sheets H 1 Shield clamp I 2 Wall anchors J 2 Screws K 1 Bracket L 1 Fastener M 1 Screw 3.2 Identifying the Schoolmeterbox Type plate You can identify the Schoolmeterbox using the type plate on its underside. Firmware and Hardware The firmware and hardware versions of the Schoolmeterbox are shown on the Sunny WebBox user interface as parameters. Installation Guide SMETER-IEN084710 7

Mounting the Device SMA Solar Technology AG 4 Mounting the Device 4.1 Mounting Location Observe the following surrounding conditions: The Schoolmeterbox is only suitable for indoor installation. The maximal cable length between the Schoolmeterbox and the consumption meter should not exceed 0.5 m. The Schoolmeterbox power supply plug requires a socket. The maximal cable length of the RS485 bus cannot exceed 1,200 m. The Schoolmeterbox can be mounted horizontally or vertically. 4.2 Mounting the Schoolmeterbox on the Wall Mounting accessories provided A 2 Screws B 2 Wall anchors C 1 Bracket 1. Choose the mounting location as described in section 4.1 Mounting Location (8). 2. Check the minimum distances against the illustration and mark the position of the drill holes. 3. Drill the holes and attach the wall bracket to the wall using the anchors and screws. 8 SMETER-IEN084710 Installation Guide

SMA Solar Technology AG Mounting the Device 4. Mount the Schoolmeterbox onto the bracket as shown in the illustration. The Schoolmeterbox has been mounted. 4.3 Mounting the Schoolmeterbox onto a DIN Rail Mounting accessories provided A 1 Bracket B 1 Screw C 1 Fastener 1. Choose the mounting location as described in section 4.1 Mounting Location (8). 2. Fix the clip onto the bracket with the screw, as shown in the illustration. Turn the clip according to whether you want to mount the Schoolmeterbox vertically or horizontally. Installation Guide SMETER-IEN084710 9

Mounting the Device SMA Solar Technology AG 3. Mount the bracket onto the DIN rail as shown in the illustration. The illustration shows a horizontal mounting. 4. Mount the Schoolmeterbox onto the bracket as shown in the illustration. The Schoolmeterbox has been mounted. 5. How to remove the Schoolmeterbox from the bracket is shown in the illustration in section 8.1 Dismounting the Schoolmeterbox (17). 10 SMETER-IEN084710 Installation Guide

SMA Solar Technology AG Electrical Connection 5 Electrical Connection 5.1 Connection Area Overview A B C D E Connection for the RS485 bus Power: connection for the power supply plug Ready: the "Ready" LED shows whether the device is being supplied with voltage. Pulse: the "Pulse" LED shows whether counter pulses are arriving at the device. S0: connection for the S0 interface 5.2 Connecting the Schoolmeterbox to the RS485 Communication Bus A B C D Sunny WebBox Inverter Schoolmeterbox Consumption Meter Installation Guide SMETER-IEN084710 11

Electrical Connection SMA Solar Technology AG DANGER! Risk of lethal electric shock when opening the inverter. Any work on the inverter must be carried out by qualified electricians only. Disconnect the inverter on the AC and DC sides as described in the inverter manual. Notes on the RS485 cabling See the RS485 cabling plan poster for information on cabling. Preparing the cable 1. Remove 4 cm of the cable sheath. 2. Shorten the shield to 1.5 cm. 3. If the Schoolmeterbox is in the middle of the RS485 bus, carry out the following steps: Fold back the shielding and wrap it with conductive adhesive foil. This is where the shield clamp will be attached later. 4. Cut off unused wires at the cable sheath. 5. Strip approx. 6 mm off the wires. Connecting the Cable to the Plug 6. Connect the leads to the four-pole plug. 7. Write down the colors of each wire. Signal Schoolmeterbox Wire colors RS485 bus RS485 bus connection GND 5 5 Data + 2 2 Data- 7 7 8. Introduce the plug found in the Schoolmeterbox into one of the terminals for the RS485 bus. 9. Connect the other end of the cable to the RS485 bus See the RS485 cabling plan poster for the connection layout and system wiring. 12 SMETER-IEN084710 Installation Guide

SMA Solar Technology AG Electrical Connection Fasten the shield clamp 10. If the Schoolmeterbox is in the middle of the RS485 bus, carry out the following steps: Push the clamp onto the shieldings of both cables. The Schoolmeterbox is connected to the RS485 bus. 5.3 Terminating the RS485 Bus Terminating the RS485 Communication Bus See the RS485 cabling plan poster for the termination of the RS485 communication bus. Terminating the Schoolmeterbox The Schoolmeterbox must only be terminated when it is placed at the end of the RS485 bus. 1. Introduce the resistor included in the delivery in the 4-pole plug, in pins 2 and 7. 2. Introduce the plug in the free terminal for the RS485 in the Schoolmeterbox. The Schoolmeterbox has been terminated. Installation Guide SMETER-IEN084710 13

Electrical Connection SMA Solar Technology AG 5.4 Connecting the Schoolmeterbox to the Consumption Meter Preparing the cable Maximal Cable Length The maximal cable length of 0.5 m should not be exceeded. 1. Remove 4 cm of the cable sheath. 2. Cut off unused wires. 3. Strip approx. 6 mm off the wires. Connecting the Cable to the Plug 4. Connect the leads to the two-pole plug. 5. Write down the colors of each wire. Schoolmeterbox S0 Connection Wire colors + + (e.g., +ve) - - (e.g., -ve) 6. Introduce the plug in the Schoolmeterbox into the "S0" terminal. 7. Connect the other end of the cable to the consumption meter. The Schoolmeterbox is connected to the consumption meter. Consumption Meter Impulse Output 14 SMETER-IEN084710 Installation Guide

SMA Solar Technology AG Commissioning 6 Commissioning 6.1 Connecting the Schoolmeterbox to the Power Supply 1. First, connect all devices on the RS485 bus. 2. Introduce plug connector of the power supply plug into the "Power" connection for it in the Schoolmeterbox. 3. Introduce the power supply plug into an outlet socket. The "Ready" LED glows green, and the Schoolmeterbox has power. The Schoolmeterbox starts. The start process takes about 20 seconds. If the LED does not glow, see section 9 Troubleshooting (18). The Schoolmeterbox is connected to the power supply. The Schoolmeterbox is ready to send data to the Sunny WebBox. 6.2 Detecting the Schoolmeterbox with the Sunny WebBox Now you can detect the Schoolmeterbox as a device with the Sunny WebBox, as described in the Sunny WebBox manual. 6.2.1 Adjusting the Schoolmeterbox Channels The Schoolmeterbox channels are adjusted via the Sunny WebBox web interface. To do this, follow the Sunny WebBox manual. The following Schoolmeterbox channels are adjustable. The complete channel list is described in section 10 Channel List (19). Parameters Channel s_devnam *u_s0 Edge *u_s0 Impuls/kWh u_s0 Offset Description Here, you can enter a name for the Schoolmeterbox. The following symbols can be used: A-Z, a-z, 0-9, _, -, +, *, #, (space) Unrecognized symbols will be replaced by a space. Here you can set whether the Schoolmeterbox should evaluate the ascending or descending edge of the consumption meter signal. You have to enter the number of consumption meter impulses per kwh here. You have to enter the consumption meter counter reading here. The Schoolmeterbox counter reading has to be matched to that of the consumption meter, so that the Schoolmeterbox has the same initial reading. You must enter the counter reading times one hundred (for example, to get 10.25 kwh, you have to enter 1025) * This channel is only visible if you are logged in at the Sunny WebBox as "Installer". To do this, follow the Sunny WebBox manual. Installation Guide SMETER-IEN084710 15

Maintenance and Care SMA Solar Technology AG 7 Maintenance and Care 7.1 Maintenance Conduct regular visual inspections of the Schoolmeterbox to check for external damage or dirt. 7.2 Care NOTICE! Damage to the device due to infiltration of liquids. The Schoolmeterbox is not impermeable, liquids should not be allowed to infiltrate. To clean the device, use only a lightly dampened cloth so as to prevent the ingress of liquids. If there is a considerable amount of dirt, you can also use a mild, nonabrasive and non-corrosive cleaning agent. 16 SMETER-IEN084710 Installation Guide

SMA Solar Technology AG Decommissioning 8 Decommissioning 8.1 Dismounting the Schoolmeterbox 1. Steady the Schoolmeterbox and remove all plug connectors. 2. Remove the Schoolmeterbox from the bracket as shown in the illustration. 3. Dismount the bracket. 4. Remove the wires from the plugs. 5. Remove the cable connections to other devices at the devices as described in the respective manuals of each device. 6. If the Schoolmeterbox was at the end of a RS485 bus, terminate the device which is now at the end of the RS485 bus instead of the Schoolmeterbox. The Schoolmeterbox has been decommissioned. 8.2 Packing the Schoolmeterbox When returning the device to us, be sure to use packaging which adequately protects the device from damage during transport and, if possible, use the original packaging. 8.3 Disposal of the Schoolmeterbox Dispose of the Schoolmeterbox at the end of its service life in accordance with current disposal regulations for electronic waste that apply at the installation site. Alternatively, send it back to SMA Solar Technology with shipping paid by sender and labeled "FOR DISPOSAL." Installation Guide SMETER-IEN084710 17

Troubleshooting SMA Solar Technology AG 9 Troubleshooting 9.1 LED Overview Ready-LED (green) Status Meaning Measure permanently on Voltage is ok None flashes Communication is taking place at present via the None RS485 bus. permanently off There is no voltage, or the voltage is too low. Check the supply voltage and the power supply plug. Pulsating-LED (yellow) Status Meaning Measure flashes Normal operation Counter impulses from the consumption meter are arriving. None permanently off Counter impulses from the consumption meter are Check the wiring not arriving presently. -or- None There is no power consumption by the school at present. permanently on There is a short-cirtuit of the S0 interface. -or- There is no power consumption by the school at present. Check the wiring None 18 SMETER-IEN084710 Installation Guide

SMA Solar Technology AG Channel List 10 Channel List 10.1 Spot values Spot values can only be read and not changed. Spot values Channel m_optm m_pac m_resetcount m_s0 Count m_s0 kwh Description Shows the number of hours in operation which the Schoolmeterbox has run since commissioning. Shows the computed spot value for the power output. Shows the number of resets (restarts) of the Schoolmeterbox. Shows the number of consumption meter impulses. Shows the power consumption in kwh. 10.2 Parameters Parameters Channel s_devnam *s_devrs s_fwver s_hwver s_sn *u_s0 Edge *u_s0 Impuls/kWh u_s0 Offset Description Here, you can enter a name for the Schoolmeterbox. The following symbols can be used: A-Z, a-z, 0-9, _, -, +, *, #, (space) Unrecognized symbols will be replaced by a space. With this channel, you can carry out a reset (restart) of the Schoolmeterbox. The value of this channel is always "0". To carry out a reset, enter the value "1" and save it. At this moment the Schoolmeterbox carries out a reset. The value for the channel is set back to "0". Shows the firmware version of the Schoolmeterbox. Shows the hardware version of the Schoolmeterbox. Shows the serial number of the Schoolmeterbox. Here you can set whether the Schoolmeterbox should evaluate the ascending or descending edge of the consumption meter signal. You have to enter the number of consumption meter impulses per kwh here. You have to enter the consumption meter counter reading here. The Schoolmeterbox counter reading has to be matched to that of the consumption meter, so that the Schoolmeterbox has the same initial reading. You must enter the counter reading times one hundred (for example, to get 10.25 kwh, you have to enter 1025) * This channel is only visible if you are logged in at the Sunny WebBox as "installer". To do this, follow the Sunny WebBox manual. Installation Guide SMETER-IEN084710 19

Technical Data SMA Solar Technology AG 11 Technical Data Communication Data logger communication RS485 to Sunny WebBox Connections Sunny WebBox and Inverter spring-type terminal Consumption Meter spring-type terminal Max. Communication Range RS485 1,200 m Power Supply Power Supply Plug-in power supply Input voltage 12 V to 24 V DC ±10% / 50 Hz to 60 Hz Power consumption typically 1 W Environmental conditions for operation Ambient temperature -20 C to +65 C Relative humidity 5 % to 95 %, non-condensing Enclosure Rating IP20 Elevation 0 m to 2000 m above mean sea level (AMSL) Ambient conditions during storage/ transport Ambient temperature -40 C to +70 C Relative humidity 10 % to 95 %, non-condensing Elevation 0 m to 3000 m above mean sea level (AMSL), at least 70kPa General data Dimensions (W/H/D) in mm 102/30/54 Weight approx. 80 g Mounting Location indoor Applicability Top hat rail, wall bracket Status display LEDs Features Operation through the Sunny WebBox interface Warranty 5 years Certificates and approvals www.sma.de 20 SMETER-IEN084710 Installation Guide

SMA Solar Technology AG Contact 12 Contact If you have technical problems concerning our products, contact the SMA Service Line. We require the following information in order to provide you with the necessary assistance: Inverter serial number and type Sunny WebBox serial number and firmware Schoolmeterbox serial number and firmware Serial number and firmware version of the Sunny SensorBox RS485 Power Injector serial number Sunny Matrix serial number and firmware SMA Technology Australia Pty. Ltd. Suite 415, 30-40 Harcourt Parade Rosebery, NSW 2018 Australia Tel. +61 2 9669 2889 Fax +61 2 9669 2887 Freecall 1800 SMA AUS info@sma-australia.com.au www.sma-australia.com.au Installation Guide SMETER-IEN084710 21

SMA Solar Technology AG Legal Restrictions The information contained in this document is the property of SMA Solar Technology AG. Publishing its content, either partially or in full, requires the written permission of SMA Solar Technology AG. Any internal company copying of the document for the purposes of evaluating the product or its correct implementation is allowed and does not require permission. Exclusion of liability The general terms and conditions of delivery of SMA Solar Technology AG shall apply. The content of these documents is continually checked and amended, where necessary. However, discrepancies cannot be excluded. No guarantee is made for the completeness of these documents. The latest version is available online at www.sma.de or from the usual sales channels. Guarantee or liability claims for damages of any kind are excluded if they are caused by one or more of the following: Damages during transportation Improper or inappropriate use of the product Operating the product in an unintended environment Operating the product whilst ignoring relevant, statutory safety regulations in the deployment location Ignoring safety warnings and instructions contained in all documents relevant to the product Operating the product under incorrect safety or protection conditions Altering the product or supplied software without authority The product malfunctions due to operating attached or neighboring devices beyond statutory limit values In case of unforeseen calamity or force majeure The use of supplied software produced by SMA Solar Technology AG is subject to the following conditions: SMA Solar Technology AG rejects any liability for direct or indirect damages arising from the use of software developed by SMA Solar Technology AG. This also applies to the provision or non-provision of support activities. Supplied software not developed by SMA Solar Technology AG is subject to the respective licensing and liability agreements of the manufacturer. SMA Factory Warranty The current guarantee conditions come enclosed with your device. These are also available online at www.sma.de and can be downloaded or are available on paper from the usual sales channels if required. Trademarks All trademarks are recognized even if these are not marked separately. Missing designations do not mean that a product or brand is not a registered trademark. SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel. +49 561 9522-0 Fax +49 561 9522-100 www.sma.de E-Mail: info@sma.de 2004 to 2008 SMA Solar Technology AG. All rights reserved Installation Guide SMETER-IEN084710 22

SMA Solar Technology AG www.sma.de Sonnenallee 1 34266 Niestetal, Germany Tel.: +49 561 9522 4000 Fax: +49 561 9522 4040 E-Mail: Vertrieb@SMA.de Freecall: 0800 SUNNYBOY Freecall: 0800 78669269